That price action prompted the maker of digital watermarking, streaming video and video-on-demand systems to put out a statement advising investors it is “not associated” with the recent deal involving Facebook.

The Canadian Oculus said there is “no material change in the affairs of the company,” which sports a tiny market cap below $2 million.

And then there’s Oculus Innovative Sciences (OCLS), which saw its shares soar as much as 15% to $5.20 Wednesday morning amid the confusion. The maker of professional-grade health-care products had a market valuation of just $33 million before Wednesday’s trading.

Last year, Tweeter Home Entertainment skyrocketed more than 1,000% due to investors mistaking the former electronics retailer with micro blogging site Twitter (TWTR) ahead of its red-hot initial public offering. Tweeter had filed for Chapter 11 bankruptcy a full six years before Twitter’s debut.